⟲ 360° — drag meThe facts.
| Model | JP CJP 042B |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | BMW F800R (2006–2016) |
| Installation | Plug-and-play, no wiring harness modifications required |
DescriptionThe whole story▼
The JP CJP 042B is the programmable fuel controller for the F800R: a full map with every cell empty, waiting for somebody with software and a wideband sensor.
Key Features
- BMW F800R (2006–2016)
- Fully programmable fuel map, written on a PC
- Complete two-axis management: engine speed and load
- For engines with an aftermarket exhaust or air filter
- Plug-and-play with model-specific wiring
- Unplugs at any time, nothing is written to the motorcycle
The Naked Middleweight
BMW's roadster version of the 800 twin sold in real numbers to riders who wanted something simpler than a boxer and larger than a single.
A Winter Project
Most owners write their first useful map over several sessions rather than in one afternoon. Anybody expecting a finished result on the first evening has misjudged the work.
An Empty Map Is Safe
With every cell at zero the motorcycle runs its factory mixture. Nothing about fitting the unit changes anything until somebody writes a value into it.
Or Have It Mapped
Specialists work with these units regularly. The cost of a session is a fraction of the motorcycle's value and the result is a map somebody stands behind.
A Realistic Timeline
An evening to fit and understand, a day to produce something usable, a season to refine it. That is what buying a blank map commits an owner to.
Championship Rules
Engine management is regulated differently in every series. Establish what is allowed before ordering rather than at scrutineering, because the answer is not always obvious.
Cold Starting
Warm-up enrichment is the standard controller's job. A map can be shaped for a cold engine but the fundamental strategy is not this unit's to change.
Overrun
A closed throttle at speed is a region where small changes are felt as popping or as engine braking character. It is worth mapping deliberately rather than by accident.
Why the Factory Cannot Do This
A manufacturer maps one motorcycle for every market, every fuel and every exhaust it will ever wear, then adds margin for the emissions cycle. No fixed map can also be correct for one bike with a race can on it.
Fitment and Compatibility
- BMW F800R (2006–2016)
Specifications
| Model | JP CJP 042B |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | BMW F800R (2006–2016) |
| Installation | Plug-and-play, no wiring harness modifications required |
What's includedEverything in the box▼
- 1x control unit
FitmentWhich bikes this fits▼
- BMW F800R (2006–2016)
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Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
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Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
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Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
Our team will personally help you choose the right gear or part — around 24h for a reply.